Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Test method and article for estimating the concentration of free acid in liquid

Test method and article for estimating the concentration of free acid in liquid

US Patent 4654309 · Granted Mar 31, 1987

Estimated economic value: $8,517,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Concentrated cleaner compositions capable of viscosity increase upon dilution2000
Cleaning compositions based on N-alkyl pyrrolidones having about 8 to about 12 c1996